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Lucas Fidon edited subsubsection_sparsity_problem_However_with__.tex
almost 8 years ago
Commit id: 6e2e95efed3529f256cf69c6f68a0450d71417c9
deletions | additions
diff --git a/subsubsection_sparsity_problem_However_with__.tex b/subsubsection_sparsity_problem_However_with__.tex
index 67e4b0e..fa3c4cd 100644
--- a/subsubsection_sparsity_problem_However_with__.tex
+++ b/subsubsection_sparsity_problem_However_with__.tex
...
\[ M_{K} = \left( \begin{array}{ccc}
0.0625 & 0.125 & 0.0625 \\
0.125 & 0.25 & 0.125 \\
0.0625 & 0.125 & 0.0625 \end{array}
\right).\] \right)\]
Whereas the simple histogram method places a spike function (i.e. $K = \delta$) at the bin corresponding to $(x,y)$ and update only a single bin, Parzen windowing places a kernel at the bin of $(x,y)$ and updates all bins falling under the kernel with the corresponding kernel value.
As a result using a gaussian filter, the estimated distributions are more smooth and less sparse.